CN216121788U - Motor anti-reverse device and cooling tower wind motor using same - Google Patents
Motor anti-reverse device and cooling tower wind motor using same Download PDFInfo
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- CN216121788U CN216121788U CN202122264527.3U CN202122264527U CN216121788U CN 216121788 U CN216121788 U CN 216121788U CN 202122264527 U CN202122264527 U CN 202122264527U CN 216121788 U CN216121788 U CN 216121788U
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- motor
- wheel disc
- output shaft
- speed reducer
- cooling tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses an anti-reverse device of a motor, which comprises a fixed piece, a wheel disc, at least two clamping blocks and a limiting assembly, wherein the wheel disc is connected with an output shaft of the motor; the limiting assembly is used for preventing the clamping block from contracting when the motor rotates reversely so that the clamping block collides with the fixed block to force the motor to stop. The utility model also discloses a cooling tower wind motor, which comprises a motor anti-reversion device; the output shaft of the motor is connected with the wheel disc; the input shaft of the speed reducer is connected with the output shaft of the motor; and the fan impeller is connected with the output shaft of the speed reducer so as to drive the speed reducer to rotate through the output shaft of the speed reducer. The utility model can effectively prevent the motor from reversing, thereby ensuring the normal use of the cooling tower.
Description
Technical Field
The utility model relates to a motor anti-reverse device and a cooling tower wind motor using the same.
Background
The medium and large cooling tower adopts a mode of adding a transmission shaft to a horizontal motor to control the operation of a fan. Often in actual installation, there is the condition that the motor wiring leads to the fan reversal to take place, if long-time operation can lead to the cooling tower to damage. In the fields other than the cooling tower, the motor is mostly prevented from reversing through the matching of the ratchet and the pawl, but the ratchet and the pawl cannot stand and have abnormal sound because the rotating speed of the motor of the cooling tower is high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an anti-reverse device of a motor, which can well prevent the motor from reversing and further avoid the use damage caused by the installation problem.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an anti-reverse rotation device of a motor, comprising:
a fixing member;
the wheel disc is used for being connected with an output shaft of the motor;
the fixture comprises at least two fixture blocks, a fixing piece and a fixing piece, wherein the fixture blocks are uniformly distributed along the circumferential direction of the wheel disc, the heads of the fixture blocks are rotatably arranged on the wheel disc, the rotating axis of the fixture blocks is parallel to the rotating axis of the wheel disc, and the fixture blocks shrink to avoid the fixing piece when the motor rotates forwards;
and the limiting assembly is arranged on the wheel disc and is used for preventing the clamping block from contracting when the motor rotates reversely so that the clamping block collides with the fixed block to force the motor to stop.
Furthermore, the central position of rim plate is equipped with the through-hole, and the motor output shaft passes through the cooperation of key and keyway to be installed in the through-hole.
Furthermore, the limiting assembly comprises limiting pins in one-to-one correspondence with the clamping blocks, and the limiting pins are abutted against the corresponding clamping blocks to prevent the clamping blocks from rotating and contracting when the motor rotates reversely.
Furthermore, the fixing piece is a positioning pin which is fixedly arranged and is positioned beside the peripheral wall of the wheel disc.
Further, the clockwise rotation of the motor is positive rotation, and the counterclockwise rotation is negative rotation.
Further, the rotational speed of the motor was 1500 rpm.
Furthermore, the fixture block is in a fan blade shape, and when the motor rotates forwards, the concave surface of the contracted fixture block faces the center of the wheel disc, and the convex surface of the fixture block faces the peripheral wall of the wheel disc.
The utility model also discloses a cooling tower wind motor, which comprises:
a motor anti-reverse device;
the output shaft of the motor is connected with the wheel disc;
the input shaft of the speed reducer is connected with the output shaft of the motor;
and the fan impeller is connected with the output shaft of the speed reducer so as to drive the speed reducer to rotate through the output shaft of the speed reducer.
Further, the output shaft of the motor is connected with the input shaft of the speed reducer through a transmission shaft.
Furthermore, the cooling tower wind motor also comprises a frame fixed at the air outlet of the cooling tower, and the body of the motor and the body of the speed reducer are respectively arranged on the frame.
After the technical scheme is adopted, when the motor rotates forwards, the wheel disc is driven to rotate forwards, the clamping block is in a contraction state at the moment, the fixing piece is further avoided, the fixing piece cannot interfere with the rotation of the wheel disc, and the motor can normally work; when the motor rotates reversely, the clamping block exceeds the wheel disc under the action of gravity, and in the process that the motor drives the wheel disc to rotate reversely, the clamping block starts to rotate and contract towards the other direction, in the process, the limiting assembly collides with one side of the clamping block to prevent the clamping block from contracting, and the other side of the clamping block which is not contracted collides with the fixing piece to further force the motor to stop.
Drawings
FIG. 1 is a schematic structural view of the anti-reverse rotation device of the motor of the present invention when the motor rotates forward;
FIG. 2 is a schematic structural diagram of a motor forced stopping device of the anti-reverse rotation device of the motor of the present invention when the motor rotates reversely;
fig. 3 is a schematic structural diagram of a cooling tower wind turbine according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1, 2 and 3, an anti-reverse rotation device of a motor includes:
a fixing member;
a wheel disc 2 used for connecting with the output shaft of the motor 1;
the fixture comprises at least two fixture blocks 3 which are uniformly distributed along the circumferential direction of a wheel disc 2, wherein the heads of the fixture blocks 3 are rotatably arranged on the wheel disc 2, the rotating axis of the fixture blocks is parallel to the rotating axis of the wheel disc 2, and the fixture blocks 3 shrink to avoid a fixing piece when a motor 1 rotates forwards;
and the limiting assembly is arranged on the wheel disc 2 and is used for preventing the clamping block 3 from contracting when the motor 1 rotates reversely so that the clamping block 3 collides with the fixed block to force the motor 1 to stop.
In the present embodiment, the clockwise rotation of the motor 1 is the forward rotation, and the counterclockwise rotation is the reverse rotation.
In the present embodiment, the rotation speed of the motor 1 is 1500 rpm.
Specifically, as shown in fig. 1, when the motor 1 rotates forward, the wheel disc 2 is driven to rotate forward, and at this time, the fixture block 3 is in a contraction state, so as to avoid the fixture, the fixture does not interfere with the rotation of the wheel disc 2, and the motor 1 can work normally; as shown in fig. 2, when the motor 1 rotates reversely, the fixture block 3 exceeds the wheel disc 2 due to the action of gravity, and in the process that the motor 1 drives the wheel disc 2 to rotate reversely, the fixture block 3 starts to rotate and contract towards the other direction, in the process, the limiting assembly collides with one side of the fixture block 3 to prevent the fixture block 3 from contracting, and the other side of the non-contracted fixture block 3 collides with the fixing element to further force to stop the motor 1.
As shown in fig. 1 and 2, a through hole is formed in the center of the wheel disc 2, and an output shaft of the motor 1 is installed in the through hole through the matching of a key and a key groove.
As shown in fig. 1 and 2, the limiting assembly includes limiting pins 4 corresponding to the locking blocks 3 one to one, and when the motor 1 rotates reversely, the limiting pins 4 abut against the corresponding locking blocks 3 to prevent the locking blocks 3 from rotating and contracting.
As shown in fig. 1 and 2, the fixing member is a positioning pin 5 fixedly arranged and positioned beside the peripheral wall of the wheel disc 2.
As shown in fig. 1 and 2, the fixture block 3 is in a fan blade shape, and when the motor 1 rotates forward, the concave surface of the contracted fixture block 3 faces the center of the wheel disc 2, and the convex surface faces the peripheral wall of the wheel disc 2.
Example two
As shown in fig. 1, 2 and 3, a cooling tower wind turbine includes:
the anti-reverse device of the motor according to the first embodiment;
the output shaft of the motor 1 is connected with the wheel disc 2;
the input shaft of the speed reducer 6 is connected with the output shaft of the motor 1;
and the fan impeller 7 is connected with the output shaft of the speed reducer 6 so as to drive the speed reducer 6 to rotate through the output shaft of the speed reducer.
As shown in fig. 3, the output shaft of the motor 1 is connected to the input shaft of the speed reducer 6 through a transmission shaft 8.
As shown in fig. 3, the cooling tower wind turbine further includes a frame 9 fixed at the air outlet of the cooling tower, and the machine body of the motor 1 and the machine body of the speed reducer 6 are respectively mounted on the frame 9.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-reversion device of a motor is characterized in that,
it includes:
a fixing member;
a wheel disc (2) used for being connected with an output shaft of the motor (1);
the fixture comprises at least two fixture blocks (3) which are uniformly distributed along the circumferential direction of a wheel disc (2), wherein the heads of the fixture blocks (3) are rotatably installed on the wheel disc (2), the rotating axis is parallel to that of the wheel disc (2), and when a motor (1) rotates forwards, the fixture blocks (3) shrink to avoid a fixing piece;
the limiting assembly is mounted on the wheel disc (2) and used for preventing the clamping block (3) from contracting when the motor (1) rotates reversely so that the clamping block (3) collides with the fixed block to force the motor (1) to stop.
2. The motor anti-reverse device according to claim 1,
the center position of rim plate (2) is equipped with the through-hole, and motor (1) output shaft passes through the cooperation of key and keyway to be installed in the through-hole.
3. The motor anti-reverse device according to claim 1,
the limiting assembly comprises limiting pins (4) which correspond to the clamping blocks (3) one to one, and when the motor (1) rotates reversely, the limiting pins (4) are abutted to the corresponding clamping blocks (3) to prevent the clamping blocks (3) from rotating and contracting.
4. The motor anti-reverse device according to claim 1,
the fixing piece is a positioning pin (5) which is fixedly arranged and is positioned beside the peripheral wall of the wheel disc (2).
5. The motor anti-reverse device according to claim 1,
the clockwise rotation of the motor (1) is positive rotation, and the anticlockwise rotation is negative rotation.
6. The motor anti-reverse device according to claim 1,
the rotation speed of the motor (1) is 1500 rpm.
7. The motor anti-reverse device according to claim 1,
the fixture block (3) is in a fan blade shape, and when the motor (1) rotates forwards, the concave surface of the contracted fixture block (3) faces the center of the wheel disc (2), and the convex surface faces the peripheral wall of the wheel disc (2).
8. A cooling tower wind motor is characterized in that,
it includes:
an electric motor anti-reverse device according to any one of claims 1 to 7;
the output shaft of the motor (1) is connected with the wheel disc (2);
the input shaft of the speed reducer (6) is connected with the output shaft of the motor (1);
the fan impeller (7), the fan impeller (7) with the output shaft of speed reducer (6) links to each other and drives it to rotate through speed reducer (6) output shaft.
9. The cooling tower wind motor of claim 8,
and an output shaft of the motor (1) is connected with an input shaft of the speed reducer (6) through a transmission shaft (8).
10. The cooling tower wind motor of claim 8,
the air cooling device is characterized by further comprising a rack (9) fixed at an air outlet of the cooling tower, wherein the body of the motor (1) and the body of the speed reducer (6) are respectively installed on the rack (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264527.3U CN216121788U (en) | 2021-09-17 | 2021-09-17 | Motor anti-reverse device and cooling tower wind motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264527.3U CN216121788U (en) | 2021-09-17 | 2021-09-17 | Motor anti-reverse device and cooling tower wind motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121788U true CN216121788U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264527.3U Active CN216121788U (en) | 2021-09-17 | 2021-09-17 | Motor anti-reverse device and cooling tower wind motor using same |
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| Country | Link |
|---|---|
| CN (1) | CN216121788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785048A (en) * | 2022-06-22 | 2022-07-22 | 佛山登奇伺服科技有限公司 | Servo motor with protective structure |
-
2021
- 2021-09-17 CN CN202122264527.3U patent/CN216121788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785048A (en) * | 2022-06-22 | 2022-07-22 | 佛山登奇伺服科技有限公司 | Servo motor with protective structure |
| CN114785048B (en) * | 2022-06-22 | 2022-09-27 | 佛山登奇伺服科技有限公司 | Servo motor with protective structure |
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